Exam 20: The Electron Transport Chain

Choose the correct answer from the list below. Not all of the answers will be used. -The permeability of the outer mitochondrial membrane is primarily due to the presence of _______________.

________________ carries electrons from Complex III to Complex IV.

________________ is/are the result of uncontrolled electron transfer to oxygen

Describe the path by which electrons from FADH₂ enter the electron-transport chain.

Choose the correct answer from the list below. Not all of the answers will be used. -_______________ is where oxidative phosphorylation occurs in eukaryotes.

In proteins, these amino acid residues usually complex to the iron-sulfur clusters.

Choose the correct answer from the list below. Not all of the answers will be used. -The prosthetic group _______________ is present in complexes I, II, and III of electron transport.

Coenzyme Q is also called:

Choose the correct answer from the list below. Not all of the answers will be used. -The citric acid cycle enzyme _______________ is also part of an electron-transport complex.

Electron flow down the electron-transport chain leads to:

Choose the correct answer from the list below. Not all of the answers will be used. -The electron carrier _______________ is a derivative of quinone and has an isoprenoid tail.

Give the balanced equation for the net reaction catalyzed by Q-cytochrome c oxidoreducatase.

Calculate the ∆G°ʹ for the reaction where lactate + NAD⁺ is converted to pyruvate + NADH.

What is the "dead zone" in the Gulf of Mexico and how did it come into being?

________________ donates electrons to cytochrome C.

In the Rieske center, the iron-sulfur center is coordinated to the amino acid(s):

What is this in reference to?

What are the two half-reactions for the reduction of O2 by NADH?

What is a major defense strategy against oxidative damage caused by reactive oxygen species (ROS)?

The transfer of a single electron to O2 forms the reactive ________________ ion.